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  • Title: Severe sirolimus-related inflammatory state anemia in an HIV+ liver transplant patient with calcineurin inhibitor renal insufficiency: a case report.
    Author: Moreno A, Bárcena R, García-Gonzalez M, García-Hoz F, Quereda C, Casado JL, Pérez-Elías MJ, Fortún J, Nuño J, Arranz I, Moreno S.
    Journal: Transplant Proc; 2008 Dec; 40(10):3810-2. PubMed ID: 19100499.
    Abstract:
    Although multifactorial anemia is common following orthotopic liver transplantation (OLT), the late introduction of sirolimus (SRL) has been associated with high rates of anemia, whose pathogenic mechanisms have not been fully studied. Herein we have described a case of severe anemia in an HIV+ OLT patient who was switched from calcineurin inhibitors (CNI) to SRL due to severe nephrotoxicity. After 22 weeks of SRL, hemoglobin levels dropped 4 g/dL to a nadir of 6.5 g/dL. After discarding other causes for anemia, we concluded that it displayed the features of anemia of a chronic inflammatory state (ACIS): decreased mean corpuscular volume (MCV), low serum iron despite high ferritinemia, and elevated fibrinogen and C-reactive protein (CRP) levels. SRL trough levels were never above the therapeutic range. After blood transfusions and erythropoietin (EPO) use, SRL was maintained within the lower range of therapeutic levels, with significant improvement in renal function. As described among kidney transplant recipients, SRL-related anemia in this HIV+ patient with CNI nephrotoxicity after OLT showed features of ACIS. Blood transfusions and EPO use allowed SRL maintenance.
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